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-rw-r--r--third_party/git/object.c581
1 files changed, 0 insertions, 581 deletions
diff --git a/third_party/git/object.c b/third_party/git/object.c
deleted file mode 100644
index 325751865625..000000000000
--- a/third_party/git/object.c
+++ /dev/null
@@ -1,581 +0,0 @@
-#include "cache.h"
-#include "object.h"
-#include "replace-object.h"
-#include "object-store.h"
-#include "blob.h"
-#include "tree.h"
-#include "commit.h"
-#include "tag.h"
-#include "alloc.h"
-#include "packfile.h"
-#include "commit-graph.h"
-
-unsigned int get_max_object_index(void)
-{
-	return the_repository->parsed_objects->obj_hash_size;
-}
-
-struct object *get_indexed_object(unsigned int idx)
-{
-	return the_repository->parsed_objects->obj_hash[idx];
-}
-
-static const char *object_type_strings[] = {
-	NULL,		/* OBJ_NONE = 0 */
-	"commit",	/* OBJ_COMMIT = 1 */
-	"tree",		/* OBJ_TREE = 2 */
-	"blob",		/* OBJ_BLOB = 3 */
-	"tag",		/* OBJ_TAG = 4 */
-};
-
-const char *type_name(unsigned int type)
-{
-	if (type >= ARRAY_SIZE(object_type_strings))
-		return NULL;
-	return object_type_strings[type];
-}
-
-int type_from_string_gently(const char *str, ssize_t len, int gentle)
-{
-	int i;
-
-	if (len < 0)
-		len = strlen(str);
-
-	for (i = 1; i < ARRAY_SIZE(object_type_strings); i++)
-		if (!strncmp(str, object_type_strings[i], len) &&
-		    object_type_strings[i][len] == '\0')
-			return i;
-
-	if (gentle)
-		return -1;
-
-	die(_("invalid object type \"%s\""), str);
-}
-
-/*
- * Return a numerical hash value between 0 and n-1 for the object with
- * the specified sha1.  n must be a power of 2.  Please note that the
- * return value is *not* consistent across computer architectures.
- */
-static unsigned int hash_obj(const struct object_id *oid, unsigned int n)
-{
-	return oidhash(oid) & (n - 1);
-}
-
-/*
- * Insert obj into the hash table hash, which has length size (which
- * must be a power of 2).  On collisions, simply overflow to the next
- * empty bucket.
- */
-static void insert_obj_hash(struct object *obj, struct object **hash, unsigned int size)
-{
-	unsigned int j = hash_obj(&obj->oid, size);
-
-	while (hash[j]) {
-		j++;
-		if (j >= size)
-			j = 0;
-	}
-	hash[j] = obj;
-}
-
-/*
- * Look up the record for the given sha1 in the hash map stored in
- * obj_hash.  Return NULL if it was not found.
- */
-struct object *lookup_object(struct repository *r, const struct object_id *oid)
-{
-	unsigned int i, first;
-	struct object *obj;
-
-	if (!r->parsed_objects->obj_hash)
-		return NULL;
-
-	first = i = hash_obj(oid, r->parsed_objects->obj_hash_size);
-	while ((obj = r->parsed_objects->obj_hash[i]) != NULL) {
-		if (oideq(oid, &obj->oid))
-			break;
-		i++;
-		if (i == r->parsed_objects->obj_hash_size)
-			i = 0;
-	}
-	if (obj && i != first) {
-		/*
-		 * Move object to where we started to look for it so
-		 * that we do not need to walk the hash table the next
-		 * time we look for it.
-		 */
-		SWAP(r->parsed_objects->obj_hash[i],
-		     r->parsed_objects->obj_hash[first]);
-	}
-	return obj;
-}
-
-/*
- * Increase the size of the hash map stored in obj_hash to the next
- * power of 2 (but at least 32).  Copy the existing values to the new
- * hash map.
- */
-static void grow_object_hash(struct repository *r)
-{
-	int i;
-	/*
-	 * Note that this size must always be power-of-2 to match hash_obj
-	 * above.
-	 */
-	int new_hash_size = r->parsed_objects->obj_hash_size < 32 ? 32 : 2 * r->parsed_objects->obj_hash_size;
-	struct object **new_hash;
-
-	new_hash = xcalloc(new_hash_size, sizeof(struct object *));
-	for (i = 0; i < r->parsed_objects->obj_hash_size; i++) {
-		struct object *obj = r->parsed_objects->obj_hash[i];
-
-		if (!obj)
-			continue;
-		insert_obj_hash(obj, new_hash, new_hash_size);
-	}
-	free(r->parsed_objects->obj_hash);
-	r->parsed_objects->obj_hash = new_hash;
-	r->parsed_objects->obj_hash_size = new_hash_size;
-}
-
-void *create_object(struct repository *r, const struct object_id *oid, void *o)
-{
-	struct object *obj = o;
-
-	obj->parsed = 0;
-	obj->flags = 0;
-	oidcpy(&obj->oid, oid);
-
-	if (r->parsed_objects->obj_hash_size - 1 <= r->parsed_objects->nr_objs * 2)
-		grow_object_hash(r);
-
-	insert_obj_hash(obj, r->parsed_objects->obj_hash,
-			r->parsed_objects->obj_hash_size);
-	r->parsed_objects->nr_objs++;
-	return obj;
-}
-
-void *object_as_type(struct object *obj, enum object_type type, int quiet)
-{
-	if (obj->type == type)
-		return obj;
-	else if (obj->type == OBJ_NONE) {
-		if (type == OBJ_COMMIT)
-			init_commit_node((struct commit *) obj);
-		else
-			obj->type = type;
-		return obj;
-	}
-	else {
-		if (!quiet)
-			error(_("object %s is a %s, not a %s"),
-			      oid_to_hex(&obj->oid),
-			      type_name(obj->type), type_name(type));
-		return NULL;
-	}
-}
-
-struct object *lookup_unknown_object(const struct object_id *oid)
-{
-	struct object *obj = lookup_object(the_repository, oid);
-	if (!obj)
-		obj = create_object(the_repository, oid,
-				    alloc_object_node(the_repository));
-	return obj;
-}
-
-struct object *parse_object_buffer(struct repository *r, const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p)
-{
-	struct object *obj;
-	*eaten_p = 0;
-
-	obj = NULL;
-	if (type == OBJ_BLOB) {
-		struct blob *blob = lookup_blob(r, oid);
-		if (blob) {
-			if (parse_blob_buffer(blob, buffer, size))
-				return NULL;
-			obj = &blob->object;
-		}
-	} else if (type == OBJ_TREE) {
-		struct tree *tree = lookup_tree(r, oid);
-		if (tree) {
-			obj = &tree->object;
-			if (!tree->buffer)
-				tree->object.parsed = 0;
-			if (!tree->object.parsed) {
-				if (parse_tree_buffer(tree, buffer, size))
-					return NULL;
-				*eaten_p = 1;
-			}
-		}
-	} else if (type == OBJ_COMMIT) {
-		struct commit *commit = lookup_commit(r, oid);
-		if (commit) {
-			if (parse_commit_buffer(r, commit, buffer, size, 1))
-				return NULL;
-			if (!get_cached_commit_buffer(r, commit, NULL)) {
-				set_commit_buffer(r, commit, buffer, size);
-				*eaten_p = 1;
-			}
-			obj = &commit->object;
-		}
-	} else if (type == OBJ_TAG) {
-		struct tag *tag = lookup_tag(r, oid);
-		if (tag) {
-			if (parse_tag_buffer(r, tag, buffer, size))
-			       return NULL;
-			obj = &tag->object;
-		}
-	} else {
-		warning(_("object %s has unknown type id %d"), oid_to_hex(oid), type);
-		obj = NULL;
-	}
-	return obj;
-}
-
-struct object *parse_object_or_die(const struct object_id *oid,
-				   const char *name)
-{
-	struct object *o = parse_object(the_repository, oid);
-	if (o)
-		return o;
-
-	die(_("unable to parse object: %s"), name ? name : oid_to_hex(oid));
-}
-
-struct object *parse_object(struct repository *r, const struct object_id *oid)
-{
-	unsigned long size;
-	enum object_type type;
-	int eaten;
-	const struct object_id *repl = lookup_replace_object(r, oid);
-	void *buffer;
-	struct object *obj;
-
-	obj = lookup_object(r, oid);
-	if (obj && obj->parsed)
-		return obj;
-
-	if ((obj && obj->type == OBJ_BLOB && repo_has_object_file(r, oid)) ||
-	    (!obj && repo_has_object_file(r, oid) &&
-	     oid_object_info(r, oid, NULL) == OBJ_BLOB)) {
-		if (check_object_signature(r, repl, NULL, 0, NULL) < 0) {
-			error(_("hash mismatch %s"), oid_to_hex(oid));
-			return NULL;
-		}
-		parse_blob_buffer(lookup_blob(r, oid), NULL, 0);
-		return lookup_object(r, oid);
-	}
-
-	buffer = repo_read_object_file(r, oid, &type, &size);
-	if (buffer) {
-		if (check_object_signature(r, repl, buffer, size,
-					   type_name(type)) < 0) {
-			free(buffer);
-			error(_("hash mismatch %s"), oid_to_hex(repl));
-			return NULL;
-		}
-
-		obj = parse_object_buffer(r, oid, type, size,
-					  buffer, &eaten);
-		if (!eaten)
-			free(buffer);
-		return obj;
-	}
-	return NULL;
-}
-
-struct object_list *object_list_insert(struct object *item,
-				       struct object_list **list_p)
-{
-	struct object_list *new_list = xmalloc(sizeof(struct object_list));
-	new_list->item = item;
-	new_list->next = *list_p;
-	*list_p = new_list;
-	return new_list;
-}
-
-int object_list_contains(struct object_list *list, struct object *obj)
-{
-	while (list) {
-		if (list->item == obj)
-			return 1;
-		list = list->next;
-	}
-	return 0;
-}
-
-void object_list_free(struct object_list **list)
-{
-	while (*list) {
-		struct object_list *p = *list;
-		*list = p->next;
-		free(p);
-	}
-}
-
-/*
- * A zero-length string to which object_array_entry::name can be
- * initialized without requiring a malloc/free.
- */
-static char object_array_slopbuf[1];
-
-void add_object_array_with_path(struct object *obj, const char *name,
-				struct object_array *array,
-				unsigned mode, const char *path)
-{
-	unsigned nr = array->nr;
-	unsigned alloc = array->alloc;
-	struct object_array_entry *objects = array->objects;
-	struct object_array_entry *entry;
-
-	if (nr >= alloc) {
-		alloc = (alloc + 32) * 2;
-		REALLOC_ARRAY(objects, alloc);
-		array->alloc = alloc;
-		array->objects = objects;
-	}
-	entry = &objects[nr];
-	entry->item = obj;
-	if (!name)
-		entry->name = NULL;
-	else if (!*name)
-		/* Use our own empty string instead of allocating one: */
-		entry->name = object_array_slopbuf;
-	else
-		entry->name = xstrdup(name);
-	entry->mode = mode;
-	if (path)
-		entry->path = xstrdup(path);
-	else
-		entry->path = NULL;
-	array->nr = ++nr;
-}
-
-void add_object_array(struct object *obj, const char *name, struct object_array *array)
-{
-	add_object_array_with_path(obj, name, array, S_IFINVALID, NULL);
-}
-
-/*
- * Free all memory associated with an entry; the result is
- * in an unspecified state and should not be examined.
- */
-static void object_array_release_entry(struct object_array_entry *ent)
-{
-	if (ent->name != object_array_slopbuf)
-		free(ent->name);
-	free(ent->path);
-}
-
-struct object *object_array_pop(struct object_array *array)
-{
-	struct object *ret;
-
-	if (!array->nr)
-		return NULL;
-
-	ret = array->objects[array->nr - 1].item;
-	object_array_release_entry(&array->objects[array->nr - 1]);
-	array->nr--;
-	return ret;
-}
-
-void object_array_filter(struct object_array *array,
-			 object_array_each_func_t want, void *cb_data)
-{
-	unsigned nr = array->nr, src, dst;
-	struct object_array_entry *objects = array->objects;
-
-	for (src = dst = 0; src < nr; src++) {
-		if (want(&objects[src], cb_data)) {
-			if (src != dst)
-				objects[dst] = objects[src];
-			dst++;
-		} else {
-			object_array_release_entry(&objects[src]);
-		}
-	}
-	array->nr = dst;
-}
-
-void object_array_clear(struct object_array *array)
-{
-	int i;
-	for (i = 0; i < array->nr; i++)
-		object_array_release_entry(&array->objects[i]);
-	FREE_AND_NULL(array->objects);
-	array->nr = array->alloc = 0;
-}
-
-/*
- * Return true iff array already contains an entry with name.
- */
-static int contains_name(struct object_array *array, const char *name)
-{
-	unsigned nr = array->nr, i;
-	struct object_array_entry *object = array->objects;
-
-	for (i = 0; i < nr; i++, object++)
-		if (!strcmp(object->name, name))
-			return 1;
-	return 0;
-}
-
-void object_array_remove_duplicates(struct object_array *array)
-{
-	unsigned nr = array->nr, src;
-	struct object_array_entry *objects = array->objects;
-
-	array->nr = 0;
-	for (src = 0; src < nr; src++) {
-		if (!contains_name(array, objects[src].name)) {
-			if (src != array->nr)
-				objects[array->nr] = objects[src];
-			array->nr++;
-		} else {
-			object_array_release_entry(&objects[src]);
-		}
-	}
-}
-
-void clear_object_flags(unsigned flags)
-{
-	int i;
-
-	for (i=0; i < the_repository->parsed_objects->obj_hash_size; i++) {
-		struct object *obj = the_repository->parsed_objects->obj_hash[i];
-		if (obj)
-			obj->flags &= ~flags;
-	}
-}
-
-void clear_commit_marks_all(unsigned int flags)
-{
-	int i;
-
-	for (i = 0; i < the_repository->parsed_objects->obj_hash_size; i++) {
-		struct object *obj = the_repository->parsed_objects->obj_hash[i];
-		if (obj && obj->type == OBJ_COMMIT)
-			obj->flags &= ~flags;
-	}
-}
-
-struct parsed_object_pool *parsed_object_pool_new(void)
-{
-	struct parsed_object_pool *o = xmalloc(sizeof(*o));
-	memset(o, 0, sizeof(*o));
-
-	o->blob_state = allocate_alloc_state();
-	o->tree_state = allocate_alloc_state();
-	o->commit_state = allocate_alloc_state();
-	o->tag_state = allocate_alloc_state();
-	o->object_state = allocate_alloc_state();
-
-	o->is_shallow = -1;
-	o->shallow_stat = xcalloc(1, sizeof(*o->shallow_stat));
-
-	o->buffer_slab = allocate_commit_buffer_slab();
-
-	return o;
-}
-
-struct raw_object_store *raw_object_store_new(void)
-{
-	struct raw_object_store *o = xmalloc(sizeof(*o));
-
-	memset(o, 0, sizeof(*o));
-	INIT_LIST_HEAD(&o->packed_git_mru);
-	hashmap_init(&o->pack_map, pack_map_entry_cmp, NULL, 0);
-	pthread_mutex_init(&o->replace_mutex, NULL);
-	return o;
-}
-
-static void free_object_directory(struct object_directory *odb)
-{
-	free(odb->path);
-	odb_clear_loose_cache(odb);
-	free(odb);
-}
-
-static void free_object_directories(struct raw_object_store *o)
-{
-	while (o->odb) {
-		struct object_directory *next;
-
-		next = o->odb->next;
-		free_object_directory(o->odb);
-		o->odb = next;
-	}
-}
-
-void raw_object_store_clear(struct raw_object_store *o)
-{
-	FREE_AND_NULL(o->alternate_db);
-
-	oidmap_free(o->replace_map, 1);
-	FREE_AND_NULL(o->replace_map);
-	pthread_mutex_destroy(&o->replace_mutex);
-
-	free_commit_graph(o->commit_graph);
-	o->commit_graph = NULL;
-	o->commit_graph_attempted = 0;
-
-	free_object_directories(o);
-	o->odb_tail = NULL;
-	o->loaded_alternates = 0;
-
-	INIT_LIST_HEAD(&o->packed_git_mru);
-	close_object_store(o);
-	o->packed_git = NULL;
-
-	hashmap_free(&o->pack_map);
-}
-
-void parsed_object_pool_clear(struct parsed_object_pool *o)
-{
-	/*
-	 * As objects are allocated in slabs (see alloc.c), we do
-	 * not need to free each object, but each slab instead.
-	 *
-	 * Before doing so, we need to free any additional memory
-	 * the objects may hold.
-	 */
-	unsigned i;
-
-	for (i = 0; i < o->obj_hash_size; i++) {
-		struct object *obj = o->obj_hash[i];
-
-		if (!obj)
-			continue;
-
-		if (obj->type == OBJ_TREE)
-			free_tree_buffer((struct tree*)obj);
-		else if (obj->type == OBJ_COMMIT)
-			release_commit_memory(o, (struct commit*)obj);
-		else if (obj->type == OBJ_TAG)
-			release_tag_memory((struct tag*)obj);
-	}
-
-	FREE_AND_NULL(o->obj_hash);
-	o->obj_hash_size = 0;
-
-	free_commit_buffer_slab(o->buffer_slab);
-	o->buffer_slab = NULL;
-
-	clear_alloc_state(o->blob_state);
-	clear_alloc_state(o->tree_state);
-	clear_alloc_state(o->commit_state);
-	clear_alloc_state(o->tag_state);
-	clear_alloc_state(o->object_state);
-	stat_validity_clear(o->shallow_stat);
-	FREE_AND_NULL(o->blob_state);
-	FREE_AND_NULL(o->tree_state);
-	FREE_AND_NULL(o->commit_state);
-	FREE_AND_NULL(o->tag_state);
-	FREE_AND_NULL(o->object_state);
-	FREE_AND_NULL(o->shallow_stat);
-}